Examples with SegmentLoadInfo io.druid.client.SegmentLoadInfo used on opensource projects

Example 1 with SegmentLoadInfo

use of io.druid.client.SegmentLoadInfo in project druid by druid-io.

the class DatasourcesResource method getSegmentDataSourceSpecificInterval.

/**
   * Provides serverView for a datasource and Interval which gives details about servers hosting segments for an interval
   * Used by the realtime tasks to fetch a view of the interval they are interested in.
   */
@GET
@Path("/{dataSourceName}/intervals/{interval}/serverview")
@Produces(MediaType.APPLICATION_JSON)
@ResourceFilters(DatasourceResourceFilter.class)
public Response getSegmentDataSourceSpecificInterval(@PathParam("dataSourceName") String dataSourceName, @PathParam("interval") String interval, @QueryParam("partial") final boolean partial) {
    TimelineLookup<String, SegmentLoadInfo> timeline = serverInventoryView.getTimeline(new TableDataSource(dataSourceName));
    final Interval theInterval = new Interval(interval.replace("_", "/"));
    if (timeline == null) {
        log.debug("No timeline found for datasource[%s]", dataSourceName);
        return Response.ok(Lists.<ImmutableSegmentLoadInfo>newArrayList()).build();
    }
    Iterable<TimelineObjectHolder<String, SegmentLoadInfo>> lookup = timeline.lookupWithIncompletePartitions(theInterval);
    FunctionalIterable<ImmutableSegmentLoadInfo> retval = FunctionalIterable.create(lookup).transformCat(new Function<TimelineObjectHolder<String, SegmentLoadInfo>, Iterable<ImmutableSegmentLoadInfo>>() {

        @Override
        public Iterable<ImmutableSegmentLoadInfo> apply(TimelineObjectHolder<String, SegmentLoadInfo> input) {
            return Iterables.transform(input.getObject(), new Function<PartitionChunk<SegmentLoadInfo>, ImmutableSegmentLoadInfo>() {

                @Override
                public ImmutableSegmentLoadInfo apply(PartitionChunk<SegmentLoadInfo> chunk) {
                    return chunk.getObject().toImmutableSegmentLoadInfo();
                }
            });
        }
    });
    return Response.ok(retval).build();
}